AX Agent 대화 목록 카드와 축소 아이콘 바 UI 밀도 정리

- ChatWindow 대화 목록 행 카드의 선택/호버 강조를 더 얇게 줄이고 제목, 메타, 배지, 편집 버튼 밀도를 claw-code 기준으로 정리

- 축소 아이콘 바의 행 높이, 버튼 규격, 아이콘 크기, 사용자 배지를 현재 사이드바와 같은 중립형 시각 언어로 통일

- README와 DEVELOPMENT 문서에 변경 이력과 2026-04-05 14:57 (KST) 기준 업데이트 시각 반영

- 검증: dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\\verify\\ -p:IntermediateOutputPath=obj\\verify\\ / 경고 0 오류 0

src/AxCopilot/Views/ChatWindow.xaml

@@ -422,32 +422,32 @@
                     Visibility="Collapsed">
                 <Grid>
                     <Grid.RowDefinitions>
-                        <RowDefinition Height="54"/>
+                        <RowDefinition Height="46"/>
                         <RowDefinition Height="*"/>
-                        <RowDefinition Height="54"/>
+                        <RowDefinition Height="46"/>
                     </Grid.RowDefinitions>
 
                     <!-- 상단 아이콘들 -->
-                    <StackPanel Grid.Row="0" VerticalAlignment="Center" HorizontalAlignment="Center">
-                        <Button Style="{StaticResource GhostBtn}" Padding="8,7"
+                    <StackPanel Grid.Row="0" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="0,2,0,0">
+                        <Button Style="{StaticResource GhostBtn}" Padding="6,5" Width="32" Height="32"
                                 Click="BtnNewChat_Click" ToolTip="새 대화"
                                 WindowChrome.IsHitTestVisibleInChrome="True">
-                            <TextBlock Text="&#xE710;" FontFamily="Segoe MDL2 Assets" FontSize="14"
+                            <TextBlock Text="&#xE710;" FontFamily="Segoe MDL2 Assets" FontSize="12"
                                        Foreground="{DynamicResource SecondaryText}"/>
                         </Button>
                     </StackPanel>
 
-                    <StackPanel Grid.Row="1" VerticalAlignment="Top" HorizontalAlignment="Center" Margin="0,8,0,0">
-                        <Button Style="{StaticResource GhostBtn}" Padding="8,7"
+                    <StackPanel Grid.Row="1" VerticalAlignment="Top" HorizontalAlignment="Center" Margin="0,6,0,0">
+                        <Button Style="{StaticResource GhostBtn}" Padding="6,5" Width="32" Height="32"
                                 Click="BtnToggleSidebar_Click" ToolTip="검색"
                                 WindowChrome.IsHitTestVisibleInChrome="True">
-                            <TextBlock Text="&#xE721;" FontFamily="Segoe MDL2 Assets" FontSize="13"
+                            <TextBlock Text="&#xE721;" FontFamily="Segoe MDL2 Assets" FontSize="11.5"
                                        Foreground="{DynamicResource SecondaryText}"/>
                         </Button>
-                        <Button Style="{StaticResource GhostBtn}" Padding="8,7"
+                        <Button Style="{StaticResource GhostBtn}" Padding="6,5" Width="32" Height="32" Margin="0,2,0,0"
                                 Click="BtnCategoryDrop_Click" ToolTip="대화 필터"
                                 WindowChrome.IsHitTestVisibleInChrome="True">
-                            <TextBlock Text="&#xE8BD;" FontFamily="Segoe MDL2 Assets" FontSize="13"
+                            <TextBlock Text="&#xE8BD;" FontFamily="Segoe MDL2 Assets" FontSize="11.5"
                                        Foreground="{DynamicResource SecondaryText}"/>
                         </Button>
                     </StackPanel>
@@ -457,11 +457,11 @@
                             HorizontalAlignment="Center" VerticalAlignment="Center"
                             ToolTip="" Padding="0"
                             WindowChrome.IsHitTestVisibleInChrome="True">
-                        <Border Width="30" Height="30" CornerRadius="15"
+                        <Border Width="28" Height="28" CornerRadius="14"
                                 Background="{DynamicResource HintBackground}"
                                 BorderBrush="{DynamicResource BorderColor}"
                                 BorderThickness="1">
-                            <TextBlock x:Name="UserInitialIconBar" Text="U" FontSize="12.5" FontWeight="SemiBold"
+                            <TextBlock x:Name="UserInitialIconBar" Text="U" FontSize="11.5" FontWeight="SemiBold"
                                        Foreground="{DynamicResource PrimaryText}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
                         </Border>
                     </Button>

src/AxCopilot/Views/ChatWindow.xaml.cs

@@ -3227,16 +3227,16 @@ public partial class ChatWindow : Window
         var border = new Border
         {
             Background = isSelected
-                ? new SolidColorBrush(Color.FromArgb(0x30, 0x4B, 0x5E, 0xFC))
+                ? new SolidColorBrush(Color.FromArgb(0x14, 0x4B, 0x5E, 0xFC))
                 : Brushes.Transparent,
-            CornerRadius = new CornerRadius(8),
-            Padding = new Thickness(10, 7, 10, 7),
+            CornerRadius = new CornerRadius(7),
+            Padding = new Thickness(8, 5, 8, 5),
             Margin = isBranch ? new Thickness(14, 1, 0, 1) : new Thickness(0, 1, 0, 1),
             Cursor = Cursors.Hand
         };
 
         var grid = new Grid();
-        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(28) });
+        grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(20) });
         grid.ColumnDefinitions.Add(new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) });
         grid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto });
 
@@ -3255,7 +3255,7 @@ public partial class ChatWindow : Window
         {
             Text = iconText,
             FontFamily = new FontFamily("Segoe MDL2 Assets"),
-            FontSize = 13,
+            FontSize = 11,
             Foreground = iconBrush,
             VerticalAlignment = VerticalAlignment.Center
         };
@@ -3270,14 +3270,15 @@ public partial class ChatWindow : Window
         var title = new TextBlock
         {
             Text = item.Title,
-            FontSize = 12,
+            FontSize = 11,
+            FontWeight = isSelected ? FontWeights.SemiBold : FontWeights.Normal,
             Foreground = titleColor,
             TextTrimming = TextTrimming.CharacterEllipsis
         };
         var date = new TextBlock
         {
             Text = item.UpdatedAtText,
-            FontSize = 9.5,
+            FontSize = 8.5,
             Foreground = dateColor,
             Margin = new Thickness(0, 1, 0, 0)
         };
@@ -3287,21 +3288,21 @@ public partial class ChatWindow : Window
         {
             stack.Children.Add(new Border
             {
-                Background = BrushFromHex("#DBEAFE"),
-                BorderBrush = BrushFromHex("#93C5FD"),
+                Background = BrushFromHex("#EEF2FF"),
+                BorderBrush = BrushFromHex("#C7D2FE"),
                 BorderThickness = new Thickness(1),
-                CornerRadius = new CornerRadius(8),
-                Padding = new Thickness(6, 1, 6, 1),
-                Margin = new Thickness(0, 4, 0, 0),
+                CornerRadius = new CornerRadius(6),
+                Padding = new Thickness(4, 1, 4, 1),
+                Margin = new Thickness(0, 2, 0, 0),
                 HorizontalAlignment = HorizontalAlignment.Left,
                 Child = new TextBlock
                 {
                     Text = _appState.ActiveTasks.Count > 0
                         ? $"진행 중 {_appState.ActiveTasks.Count}"
                         : "진행 중",
-                    FontSize = 9,
-                    FontWeight = FontWeights.SemiBold,
-                    Foreground = BrushFromHex("#1D4ED8"),
+                    FontSize = 8,
+                    FontWeight = FontWeights.Medium,
+                    Foreground = BrushFromHex("#4F46E5"),
                 }
             });
         }
@@ -3309,7 +3310,7 @@ public partial class ChatWindow : Window
         {
             var runSummaryPanel = new DockPanel
             {
-                Margin = new Thickness(0, 3, 0, 0),
+                Margin = new Thickness(0, 2, 0, 0),
                 LastChildFill = true,
             };
 
@@ -3318,18 +3319,18 @@ public partial class ChatWindow : Window
                 var failedBadge = new Border
                 {
                     Background = BrushFromHex("#FEF2F2"),
-                    BorderBrush = BrushFromHex("#FECACA"),
+                    BorderBrush = BrushFromHex("#FEE2E2"),
                     BorderThickness = new Thickness(1),
-                    CornerRadius = new CornerRadius(8),
-                    Padding = new Thickness(6, 1, 6, 1),
-                    Margin = new Thickness(0, 0, 6, 0),
+                    CornerRadius = new CornerRadius(6),
+                    Padding = new Thickness(4, 1, 4, 1),
+                    Margin = new Thickness(0, 0, 4, 0),
                     VerticalAlignment = VerticalAlignment.Center,
                     Child = new TextBlock
                     {
                         Text = $"실패 {FormatDate(item.LastFailedAt.Value)}",
-                        FontSize = 9,
-                        FontWeight = FontWeights.SemiBold,
-                        Foreground = BrushFromHex("#991B1B"),
+                        FontSize = 8,
+                        FontWeight = FontWeights.Medium,
+                        Foreground = BrushFromHex("#B91C1C"),
                     }
                 };
                 DockPanel.SetDock(failedBadge, Dock.Right);
@@ -3340,17 +3341,17 @@ public partial class ChatWindow : Window
                 var completedBadge = new Border
                 {
                     Background = BrushFromHex("#ECFDF5"),
-                    BorderBrush = BrushFromHex("#BBF7D0"),
+                    BorderBrush = BrushFromHex("#DCFCE7"),
                     BorderThickness = new Thickness(1),
-                    CornerRadius = new CornerRadius(8),
-                    Padding = new Thickness(6, 1, 6, 1),
-                    Margin = new Thickness(0, 0, 6, 0),
+                    CornerRadius = new CornerRadius(6),
+                    Padding = new Thickness(4, 1, 4, 1),
+                    Margin = new Thickness(0, 0, 4, 0),
                     VerticalAlignment = VerticalAlignment.Center,
                     Child = new TextBlock
                     {
                         Text = $"성공 {FormatDate(item.LastCompletedAt.Value)}",
-                        FontSize = 9,
-                        FontWeight = FontWeights.SemiBold,
+                        FontSize = 8,
+                        FontWeight = FontWeights.Medium,
                         Foreground = BrushFromHex("#166534"),
                     }
                 };
@@ -3363,11 +3364,11 @@ public partial class ChatWindow : Window
                 Text = item.FailedAgentRunCount > 0
                     ? $"실행 {item.AgentRunCount} · 실패 {item.FailedAgentRunCount} · {TruncateForStatus(item.LastAgentRunSummary, 28)}"
                     : $"실행 {item.AgentRunCount} · {TruncateForStatus(item.LastAgentRunSummary, 32)}",
-                FontSize = 9.5,
+                FontSize = 8.25,
                 Foreground = item.FailedAgentRunCount > 0
                     ? BrushFromHex("#B91C1C")
                     : (TryFindResource("SecondaryText") as Brush ?? Brushes.Gray),
-                Margin = new Thickness(0, 3, 0, 0),
+                Margin = new Thickness(0, 1, 0, 0),
                 TextTrimming = TextTrimming.CharacterEllipsis
             };
             if (!string.IsNullOrWhiteSpace(item.LastAgentRunSummary))
@@ -3389,7 +3390,7 @@ public partial class ChatWindow : Window
             {
                 Text = "\uE70F", // Edit
                 FontFamily = new FontFamily("Segoe MDL2 Assets"),
-                FontSize = 10,
+                FontSize = 8.5,
                 Foreground = (TryFindResource("SecondaryText") as Brush ?? Brushes.Gray)
             },
             Background = Brushes.Transparent,
@@ -3397,7 +3398,10 @@ public partial class ChatWindow : Window
             Cursor = Cursors.Hand,
             VerticalAlignment = VerticalAlignment.Center,
             Visibility = Visibility.Collapsed,
-            Padding = new Thickness(4),
+            Width = 22,
+            Height = 22,
+            Padding = new Thickness(0),
+            Opacity = 0.85,
             ToolTip = _activeTab == "Cowork" ? "작업 유형" : "대화 주제 변경"
         };
         var capturedId = item.Id;
@@ -3409,32 +3413,26 @@ public partial class ChatWindow : Window
         if (isSelected)
         {
             border.BorderBrush = TryFindResource("AccentColor") as Brush ?? Brushes.CornflowerBlue;
-            border.BorderThickness = new Thickness(2, 0, 0, 0);
+            border.BorderThickness = new Thickness(1.5, 0, 0, 0);
         }
 
         border.Child = grid;
 
-        // 호버 이벤트 — 배경 + 미세 확대
+        // 호버 이벤트 — 배경만 얇게 강조
         border.RenderTransformOrigin = new Point(0.5, 0.5);
         border.RenderTransform = new ScaleTransform(1, 1);
-        var selectedBg = new SolidColorBrush(Color.FromArgb(0x30, 0x4B, 0x5E, 0xFC));
+        var hoverBg = new SolidColorBrush(Color.FromArgb(0x08, 0xFF, 0xFF, 0xFF));
         border.MouseEnter += (_, _) =>
         {
             if (!isSelected)
-                border.Background = new SolidColorBrush(Color.FromArgb(0x15, 0xFF, 0xFF, 0xFF));
+                border.Background = hoverBg;
             catBtn.Visibility = Visibility.Visible;
-            var st = border.RenderTransform as ScaleTransform;
-            st?.BeginAnimation(ScaleTransform.ScaleXProperty, new DoubleAnimation(1.02, TimeSpan.FromMilliseconds(120)));
-            st?.BeginAnimation(ScaleTransform.ScaleYProperty, new DoubleAnimation(1.02, TimeSpan.FromMilliseconds(120)));
         };
         border.MouseLeave += (_, _) =>
         {
             if (!isSelected)
                 border.Background = Brushes.Transparent;
             catBtn.Visibility = Visibility.Collapsed;
-            var st = border.RenderTransform as ScaleTransform;
-            st?.BeginAnimation(ScaleTransform.ScaleXProperty, new DoubleAnimation(1.0, TimeSpan.FromMilliseconds(150)));
-            st?.BeginAnimation(ScaleTransform.ScaleYProperty, new DoubleAnimation(1.0, TimeSpan.FromMilliseconds(150)));
         };
 
         // 클릭 — 이미 선택된 대화면 제목 편집, 아니면 대화 전환